From 32dc5354e2916387a2c62eadae0a4568023f1151 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 3 Jun 2014 16:47:36 +0200
Subject: Initial commit

---
 scripts/ldadp-launcher | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++
 scripts/mount-store    | 82 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 168 insertions(+)
 create mode 100755 scripts/ldadp-launcher
 create mode 100755 scripts/mount-store

(limited to 'scripts')

diff --git a/scripts/ldadp-launcher b/scripts/ldadp-launcher
new file mode 100755
index 0000000..be73ec7
--- /dev/null
+++ b/scripts/ldadp-launcher
@@ -0,0 +1,86 @@
+#!/bin/bash
+
+if [ $# -lt 2 ]; then
+	echo "Invalid parameter count: '$#'"
+	exit 1
+fi
+
+BASE="$1"
+shift
+
+if [ -z "$BASE" ] || [ ! -r "$BASE" ] || [ ! -d "$BASE" ]; then
+	echo "Basedir invalid: '$BASE'"
+	exit 2
+fi
+cd "$BASE"
+
+[ "x$1" == "x--" ] && shift
+
+# At this point $@ should only be ldadp instance ids
+
+inArray () {
+	local e
+	for e in "${@:2}"; do
+		[[ "x$e" == "x$1" ]] && return 0
+	done
+	return 1
+}
+
+isInstance () {
+	if [ $# -ne 1 ]; then
+		echo "isInstance needs 1 param, got $#"
+		return 0
+	fi
+	[ -L "/proc/$1/exe" ] && [ -r "/proc/$1/exe" ] && [[ "$(readlink -f "/proc/$1/exe")" == *ldadp ]] && return 0
+	return 1
+}
+
+launch () {
+	local CONFIG="${BASE}/configs/${1}.cfg"
+	if [ ! -r "$CONFIG" ]; then
+		echo "Told to start ldadp for module '${1}', but no config file found!"
+		return 1
+	fi
+	echo "Launching #$1"
+	"${BASE}/ldadp" -n "$CONFIG" &
+	local P=$!
+	sleep 1
+	if ! kill -0 "$P" 2>/dev/null; then
+		echo "...FAILED!"
+		return 1
+	fi
+	echo -n "$P" > "${BASE}/pid/${1}"
+	return 0
+}
+
+for FILE in $(find "$BASE/pid" -type f -regextype posix-extended -regex "(^|.*/)[0-9]+$"); do
+	ID=$(basename $FILE)
+	PID=$(<$FILE)
+	if ! [[ "$PID" =~ ^[0-9]+$ ]]; then
+		echo "Invalid PID file: '$FILE'"
+		unlink "$FILE"
+	fi
+	inArray $ID "$@" && isInstance $PID && continue # Should be running, is running, nothing to do
+	#
+	unlink "$FILE"
+	if inArray $ID; then
+		# Should be running, is not running, launch!
+		launch $ID
+	elif isInstance $PID; then
+		# Is running, should not, kill
+		kill $PID
+		sleep 1
+		isInstance $PID && kill -9 $PID
+	fi
+done
+
+while [ $# -gt 0 ]; do
+	ID=$1
+	shift
+	FILE="${BASE}/pid/${ID}"
+	[ -r "$FILE" ] && isInstance $(<$FILE) && continue
+	launch $ID
+done
+
+exit 0
+
diff --git a/scripts/mount-store b/scripts/mount-store
new file mode 100755
index 0000000..1291d1a
--- /dev/null
+++ b/scripts/mount-store
@@ -0,0 +1,82 @@
+#!/bin/bash
+
+if [ $# -lt 2 ]; then
+	echo "Bad call to $0." >&2
+	echo "Expected: $0 images <source> [username] [password]" >&2
+	exit 1
+fi
+
+WHAT="$1"
+SOURCE="$2"
+USERNAME="$3"
+PASSWORD="$4"
+
+# Currently WHAT can only be images (the central store for all images),
+# but maybe there will be other storage types in the future.
+case "$WHAT" in
+images)
+	DEST="/opt/openslx/nfs"
+	;;
+*)
+	echo "Invalid/Unknown mount type: '$WHAT'." >&2
+	exit 1
+	;;
+esac
+
+# Sanity checks: Destination exists?
+if [ ! -d "$DEST" ]; then
+	mkdir -p "$DEST"
+	chown root:images "$DEST"
+	chmod 0775 "$DEST"
+fi
+
+# Still a no?
+if [ ! -d "$DEST" ]; then
+	echo "Mount point '$DEST' does not exist and could not be created!" >&2
+	echo "This should not happen and means this server is severely messed up. :(" >&2
+	exit 1
+fi
+
+# Already mounted?
+if awk '{print $2}' "/proc/mounts" | grep -q "^${DEST}\$"; then
+	echo "Trying to unmount '$DEST'..."
+	umount -v "$DEST"
+	RET=$?
+	if [ "$RET" -ne "0" ]; then
+		echo "Cannot unmount '$DEST'!" >&2
+		exit "$RET"
+	fi
+fi
+
+# Unmount and not requested to mount (local mode)
+if [[ "${SOURCE}" == "null" ]]; then
+	rm -f "${DEST}/.notmounted"
+	exit 0
+fi
+
+touch "${DEST}/.notmounted"
+
+# Mount!
+
+if grep -E -q '^[^/].+:.+' <<<$SOURCE; then
+	# seems to be NFS
+	mount -t nfs -o rw,async,nolock,fg,ac,retry=1,timeo=600 "$SOURCE" "$DEST"
+	RET=$?
+elif grep -E -q '^//' <<<$SOURCE; then
+	# seens to be SMB
+	export USER="$USERNAME"
+	export PASSWD="$PASSWORD"
+	mount -t cifs -o rw,uid=0,gid=12345,forceuid,forcegid,file_mode=0664,dir_mode=0775,sec=ntlm "$SOURCE" "$DEST"
+	RET=$?
+	unset USER PASSWD
+else
+	echo "Unknown mount type: $SOURCE"
+	exit 1
+fi
+
+if [ "$RET" == "0" ]; then
+	chmod -R ug+rw "$DEST"
+fi
+
+exit $RET
+
-- 
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